From 3361cff6021195dc29aa9082ff8a0e5628de5f31 Mon Sep 17 00:00:00 2001 From: Anders Carlsson Date: Sat, 29 Jan 2011 19:52:22 +0000 Subject: [PATCH] Add a test for RTTI visibility. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124543 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGenCXX/rtti-visibility.cpp | 35 +++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 test/CodeGenCXX/rtti-visibility.cpp diff --git a/test/CodeGenCXX/rtti-visibility.cpp b/test/CodeGenCXX/rtti-visibility.cpp new file mode 100644 index 0000000000..4b3f6b2d1c --- /dev/null +++ b/test/CodeGenCXX/rtti-visibility.cpp @@ -0,0 +1,35 @@ +// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm -o %t +// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -fhidden-weak-vtables -emit-llvm -o %t.hidden +// RUN: FileCheck --check-prefix=CHECK-TEST1 %s < %t +// RUN: FileCheck --check-prefix=CHECK-TEST2 %s < %t +// RUN: FileCheck --check-prefix=CHECK-TEST2-HIDDEN %s < %t.hidden + +#include + +namespace Test1 { + // A is explicitly marked hidden, so all RTTI data should also be marked hidden. + // CHECK-TEST1: @_ZTSN5Test11AE = linkonce_odr hidden constant + // CHECK-TEST1: @_ZTIN5Test11AE = linkonce_odr hidden unnamed_addr constant + // CHECK-TEST1: @_ZTSPN5Test11AE = linkonce_odr hidden constant + // CHECK-TEST1: @_ZTIPN5Test11AE = linkonce_odr hidden unnamed_addr constant + struct __attribute__((visibility("hidden"))) A { }; + + void f() { + (void)typeid(A); + (void)typeid(A *); + } +} + +namespace Test2 { + // A is weak, so its linkage should be linkoce_odr, but not marked hidden. + // CHECK-TEST2: @_ZTSN5Test21AE = linkonce_odr constant + // CHECK-TEST2: @_ZTIN5Test21AE = linkonce_odr unnamed_addr constant + struct A { }; + + // With -fhidden-weak-vtables, the typeinfo for A is marked hidden, but not its name. + // CHECK-TEST2-HIDDEN: _ZTSN5Test21AE = linkonce_odr constant + // CHECK-TEST2-HIDDEN: @_ZTIN5Test21AE = linkonce_odr hidden unnamed_addr constant + void f() { + (void)typeid(A); + } +} -- 2.40.0